Class 7 Maths Worksheet: Profit and Loss, Simple Interest

Maths worksheets lesson 54: Comparing quantities: percentage, profit and loss, simple interest · Set 907 · 40 sums

The method (Out of 100): p% of a number = number × p ÷ 100. Profit = SP − CP; loss = CP − SP. Profit % (or loss %) = profit (or loss) ÷ CP × 100. Selling price at p% profit = CP + p% of CP; at p% loss = CP − p% of CP. Simple interest = P × R × T ÷ 100; amount = P + SI. % increase or decrease = change ÷ old value × 100.

1. 1.A shopkeeper buys a sewing machine for ₹1350 and sells it for ₹1430. What is the profit (in ₹)?
2. 2.The price of a pair of shoes changed from ₹25 to ₹30. What is the percentage increase?
3. 3.What is the amount (principal + simple interest) on ₹1800 at 2% per year for 3 years (in ₹)?
4. 4.What is the amount (principal + simple interest) on ₹1100 at 11% per year for 5 years (in ₹)?
5. 5.The price of a school bag changed from ₹200 to ₹300. What is the percentage increase?
6. 6.What is the simple interest on ₹900 at 4% per year for 2 years (in ₹)?
7. 7.What is the simple interest on ₹4900 at 9% per year for 2 years (in ₹)?
8. 8.A cooler costs ₹3400. It is sold at a 15% loss. What is the selling price (in ₹)?
9. 9.A watch costs ₹300. It is sold at a 12% loss. What is the selling price (in ₹)?
10. 10.A watch bought for ₹3700 is sold for ₹4070. What is the profit per cent?
11. 11.The price of a bus pass changed from ₹500 to ₹250. What is the percentage decrease?
12. 12.What is the simple interest on ₹5100 at 10% per year for 1 year (in ₹)?
13. 13.The price of a school bag changed from ₹50 to ₹60. What is the percentage increase?
14. 14.A watch costs ₹1700. It is sold at a 50% profit. What is the selling price (in ₹)?
15. 15.What is the amount (principal + simple interest) on ₹4900 at 5% per year for 4 years (in ₹)?
16. 16.What is 65% of 300?
17. 17.A cooler costs ₹2300. It is sold at a 5% loss. What is the selling price (in ₹)?
18. 18.The price of a water bottle changed from ₹80 to ₹72. What is the percentage decrease?
19. 19.What is 60% of 560?
20. 20.What is the simple interest on ₹4000 at 5% per year for 1 year (in ₹)?
21. 21.What is 70% of 780?
22. 22.What is 90% of 280?
23. 23.A cycle costs ₹2700. It is sold at a 25% profit. What is the selling price (in ₹)?
24. 24.A watch costs ₹3300. It is sold at a 30% profit. What is the selling price (in ₹)?
25. 25.A cycle costs ₹4000. It is sold at a 25% profit. What is the selling price (in ₹)?
26. 26.A cricket kit bought for ₹1500 is sold for ₹1125. What is the loss per cent?
27. 27.What is 20% of 680?
28. 28.The price of a cricket ball changed from ₹50 to ₹5. What is the percentage decrease?
29. 29.A table bought for ₹400 is sold for ₹460. What is the profit per cent?
30. 30.A fan bought for ₹1500 is sold for ₹1125. What is the loss per cent?
31. 31.The price of a bus pass changed from ₹500 to ₹600. What is the percentage increase?
32. 32.What is 90% of 80?
33. 33.A shopkeeper buys a cricket kit for ₹2350 and sells it for ₹2340. What is the loss (in ₹)?
34. 34.What is the simple interest on ₹8400 at 2% per year for 5 years (in ₹)?
35. 35.What is the amount (principal + simple interest) on ₹6500 at 8% per year for 1 year (in ₹)?
36. 36.What is 60% of 280?
37. 37.A sewing machine bought for ₹2800 is sold for ₹2660. What is the loss per cent?
38. 38.The price of a box of mangoes changed from ₹20 to ₹10. What is the percentage decrease?
39. 39.What is the simple interest on ₹2300 at 9% per year for 4 years (in ₹)?
40. 40.The price of a bus pass changed from ₹50 to ₹20. What is the percentage decrease?

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